Business: Dealers in Illogic

Strolling from his art-filled office through a bulletproof door to a
balcony overlooking an immense trading room, Cairo-born André Levy
pauses to deny a bit of gossip circulating among his fellow money
dealers in Lausanne, Switzerland. He insists that it is just not true
that his firm  somewhat whimsically named Tradition S. A. 
exchanges half a billion dollars for stronger currencies each day. The actual
figure, he states with aplomb, is "more than a billion dollars."

That correction is indicative of the frenzy with which corporations,
banks and other holders of dollars are...